Home / 148,591,649.80-205,057,120.76-82,511,945.38

Finding the Fourth Proportional to 148,591,649.80, 205,057,120.76 and 82,511,945.38

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Solution

The fourth proportional to 148,591,649.80, 205,057,120.76 and 82,511,945.38 is: 113,866,842.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,591,649.80 : 205,057,120.76 = 82,511,945.38 : x
  2. Step 2: Convert to fraction form
    148,591,649.80/205,057,120.76 = 82,511,945.38/x
  3. Step 3: Cross multiply
    148,591,649.80x = 205,057,120.76 × 82,511,945.38
  4. Step 4: Simplify right side
    148,591,649.80x = 16,919,661,947,929,182
  5. Step 5: Solve for x
    x = 16,919,661,947,929,182/148,591,649.80
  6. Step 6: Final answer
    x = 113,866,842.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.